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  1. 1
    Published 2012
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    Published 2012
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  3. 3
    Published 2013
    Journal
  4. 4
    Published 1991
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  5. 5
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    Published 1950
    Journal
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  9. 9
    Published 2012
    Journal
  10. 10
    Published 1995
    Journal
  11. 11
    Published 2013
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  12. 12
    Published 1998
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    Published 1986
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  15. 15
    Published 2010
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  16. 16
    Published 2012
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  17. 17
    Published 1994
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